The alarm information of the fire alarm system is received through multiple interfaces such as RS232, RS485 and CAN.

The output communication protocol complies with the requirements of the standard GB268751-2011 "Urban Fire Remote Monitoring System - Part 1: User Information Transmission Device" and the "Draft for Approval of Data Output Communication Protocol Standard for Automatic Fire Alarm System".

It is equipped with stm32F407ARM chip, 2500mAh battery and 12V1A switching power supply configuration.

The software adopts the Lwip protocol and linked list structure messages to ensure the smoothness of information transmission.